Technical overview of Worcester Controls Series 51/52 flanged ball valves, including sizes, materials, standards and actuator options.
The Worcester Controls Series 51/52 flanged ball valves are offered in sizes from 1/2" to 10" with ANSI Class 150 and 300 flanges. They feature a one‑piece bottom‑entry stem, unique downstream‑sealing seats and a variety of body, seat and seal materials for high‑cycle, high‑temperature service.
The valves can be operated manually with lever handles or automated with pneumatic (Series 39) or electric (Series 75) actuators. They meet numerous industry standards such as API 607 fire‑test, API 6D, NACE MR‑01‑75 and ANSI B16.10/5, and are available with fire‑rated options and special material selections for corrosive or high‑temperature applications.